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Quantum storage of photonic entanglement in a crystal

Author

Listed:
  • Christoph Clausen

    (Group of Applied Physics, University of Geneva)

  • Imam Usmani

    (Group of Applied Physics, University of Geneva)

  • Félix Bussières

    (Group of Applied Physics, University of Geneva)

  • Nicolas Sangouard

    (Group of Applied Physics, University of Geneva)

  • Mikael Afzelius

    (Group of Applied Physics, University of Geneva)

  • Hugues de Riedmatten

    (Group of Applied Physics, University of Geneva
    ICFO—Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels, Barcelona, Spain
    ICREA—Institució Catalana de Recerca i Estudis Avançats, 08015 Barcelona, Spain)

  • Nicolas Gisin

    (Group of Applied Physics, University of Geneva)

Abstract

Solid quantum memory progress Harnessing entanglement between light and material systems is of interest for future quantum information technologies. Two groups report advances in the development of the light–matter quantum interface that could pave the way for the construction of multiplexed quantum repeaters for long-distance quantum networks. Clausen et al. demonstrate entanglement between a photon at the telecommunication wavelength (1,338 nanometres) and a single collective atomic excitation stored in a neodymium-doped Y2SiO5 crystal. Saglamyurek et al. use a thulium-doped LiNbO3 waveguide to achieve a similar entanglement.

Suggested Citation

  • Christoph Clausen & Imam Usmani & Félix Bussières & Nicolas Sangouard & Mikael Afzelius & Hugues de Riedmatten & Nicolas Gisin, 2011. "Quantum storage of photonic entanglement in a crystal," Nature, Nature, vol. 469(7331), pages 508-511, January.
    • Handle: RePEc:nat:nature:v:469:y:2011:i:7331:d:10.1038_nature09662
    DOI: 10.1038/nature09662
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    Cited by:

    1. Xiao Liu & Xiao-Min Hu & Tian-Xiang Zhu & Chao Zhang & Yi-Xin Xiao & Jia-Le Miao & Zhong-Wen Ou & Pei-Yun Li & Bi-Heng Liu & Zong-Quan Zhou & Chuan-Feng Li & Guang-Can Guo, 2024. "Nonlocal photonic quantum gates over 7.0 km," Nature Communications, Nature, vol. 15(1), pages 1-7, December.

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